/********************************************************************** 
 * FILE		: ImageUtilTools.java					
 *			
 * AUTHOR   : kloyf		
 * 
 * DATE		: 2012-7-5
 * 									
 * REASON	: CREATE  
 *            							
 * VERSION  ：0.0.1
 *
 ***********************************************************************/
package com.common.util.file.image;

import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.color.ColorSpace;
import java.awt.image.BufferedImage;
import java.awt.image.ColorConvertOp;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Iterator;
import java.util.List;

import javax.imageio.ImageIO;
import javax.imageio.ImageReadParam;
import javax.imageio.ImageReader;
import javax.imageio.stream.ImageInputStream;

import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;

/**
 * 
 * @author kloyf
 * @version 0.0.1
 */
public class ImageUtilTools extends AbstractImageUtil {
	private static Class clazz = ImageUtilTools.class;


	/**
	 * 对图片裁剪，并把裁剪新图片保存
	 * 
	 * @param srcPath
	 *            读取源图片路径
	 * @param toPath
	 *            写入图片路径
	 * @param x
	 *            剪切起始点x坐标
	 * @param y
	 *            剪切起始点y坐标
	 * @param width
	 *            剪切宽度
	 * @param height
	 *            剪切高度
	 * @param readImageFormat
	 *            读取图片格式
	 * @param writeImageFormat
	 *            写入图片格式 @
	 */
	public static void cropImage(String srcPath, String toPath, int x, int y, int width, int height, String readImageFormat, String writeImageFormat) {
		FileInputStream fis = null;
		ImageInputStream iis = null;
		try {
			// 读取图片文件
			fis = new FileInputStream(srcPath);
			Iterator it = ImageIO.getImageReadersByFormatName(readImageFormat);
			ImageReader reader = (ImageReader) it.next();
			// 获取图片流
			iis = ImageIO.createImageInputStream(fis);
			reader.setInput(iis, true);
			ImageReadParam param = reader.getDefaultReadParam();
			// 定义一个矩形
			Rectangle rect = new Rectangle(x, y, width, height);
			// 提供一个 BufferedImage，将其用作解码像素数据的目标。
			param.setSourceRegion(rect);
			BufferedImage bi = reader.read(0, param);
			// 保存新图片
			ImageIO.write(bi, writeImageFormat, new File(toPath));
		} catch (Exception e) {
			// debug(clazz, e);
			debug(clazz, e);
		} finally {
			closeStream(fis, iis);
		}
	}

	/**
	 * 按倍率缩小图片
	 * 
	 * @param srcImagePath
	 *            读取图片路径
	 * @param toImagePath
	 *            写入图片路径
	 * @param widthRatio
	 *            宽度缩小比例
	 * @param heightRatio
	 *            高度缩小比例 @
	 */
	public static void reduceImageByRatio(String srcImagePath, String toImagePath, int widthRatio, int heightRatio) {
		FileOutputStream out = null;
		try {
			// 读入文件
			File file = new File(srcImagePath);
			// 构造Image对象
			BufferedImage src = ImageIO.read(file);
			int width = src.getWidth();
			int height = src.getHeight();
			// 缩小边长
			BufferedImage tag = new BufferedImage(width / widthRatio, height / heightRatio, BufferedImage.TYPE_INT_RGB);
			// 绘制 缩小 后的图片
			tag.getGraphics().drawImage(src, 0, 0, width / widthRatio, height / heightRatio, null);
			out = new FileOutputStream(toImagePath);
			JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
			encoder.encode(tag);
		} catch (Exception e) {
			debug(clazz, e);
		} finally {
			closeStream(out);
		}
	}

	/**
	 * 长高等比例缩小图片
	 * 
	 * @param srcImagePath
	 *            读取图片路径
	 * @param toImagePath
	 *            写入图片路径
	 * @param ratio
	 *            缩小比例 @
	 */
	public static void reduceImageEqualProportion(String srcImagePath, String toImagePath, int ratio) {
		FileOutputStream out = null;
		try {
			// 读入文件
			File file = new File(srcImagePath);
			// 构造Image对象
			BufferedImage src = ImageIO.read(file);
			int width = src.getWidth();
			int height = src.getHeight();
			// 缩小边长
			BufferedImage tag = new BufferedImage(width / ratio, height / ratio, BufferedImage.TYPE_INT_RGB);
			// 绘制 缩小 后的图片
			tag.getGraphics().drawImage(src, 0, 0, width / ratio, height / ratio, null);
			out = new FileOutputStream(toImagePath);
			JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
			encoder.encode(tag);
		} catch (Exception e) {
			debug(clazz, e);
		} finally {
			closeStream(out);
		}
	}

	/**
	 * 按倍率放大图片
	 * 
	 * @param srcImagePath
	 *            读取图形路径
	 * @param toImagePath
	 *            写入入行路径
	 * @param widthRatio
	 *            宽度放大比例
	 * @param heightRatio
	 *            高度放大比例 @
	 */
	public static void enlargementImageByRatio(String srcImagePath, String toImagePath, int widthRatio, int heightRatio) {
		FileOutputStream out = null;
		try {
			// 读入文件
			File file = new File(srcImagePath);
			// 构造Image对象
			BufferedImage src = ImageIO.read(file);
			int width = src.getWidth();
			int height = src.getHeight();
			// 放大边长
			BufferedImage tag = new BufferedImage(width * widthRatio, height * heightRatio, BufferedImage.TYPE_INT_RGB);
			// 绘制放大后的图片
			tag.getGraphics().drawImage(src, 0, 0, width * widthRatio, height * heightRatio, null);
			out = new FileOutputStream(toImagePath);
			JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
			encoder.encode(tag);
		} catch (Exception e) {
			debug(clazz, e);
		} finally {
			closeStream(out);
		}
	}

	/**
	 * 长高等比例放大图片
	 * 
	 * @param srcImagePath
	 *            读取图形路径
	 * @param toImagePath
	 *            写入入行路径
	 * @param ratio
	 *            放大比例 @
	 */
	public static void enlargementImageEqualProportion(String srcImagePath, String toImagePath, int ratio) {
		FileOutputStream out = null;
		try {
			// 读入文件
			File file = new File(srcImagePath);
			// 构造Image对象
			BufferedImage src = ImageIO.read(file);
			int width = src.getWidth();
			int height = src.getHeight();
			// 放大边长
			BufferedImage tag = new BufferedImage(width * ratio, height * ratio, BufferedImage.TYPE_INT_RGB);
			// 绘制放大后的图片
			tag.getGraphics().drawImage(src, 0, 0, width * ratio, height * ratio, null);
			out = new FileOutputStream(toImagePath);
			JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
			encoder.encode(tag);
		} catch (Exception e) {
			debug(clazz, e);
		} finally {
			closeStream(out);
		}
	}

	/**
	 * 重置图形的边长大小
	 * 
	 * @param srcImagePath
	 *            源文件URL
	 * @param toImagePath
	 *            目标文件URL
	 * @param width
	 *            新文件宽度
	 * @param height
	 *            新文件高度
	 * 
	 */
	public static void resizeImage(String srcImagePath, String toImagePath, int width, int height) {
		FileOutputStream out = null;
		try {
			// 读入文件
			File file = new File(srcImagePath);
			// 构造Image对象
			BufferedImage src = ImageIO.read(file);
			// 放大边长
			BufferedImage tag = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
			// 绘制放大后的图片
			tag.getGraphics().drawImage(src, 0, 0, width, height, null);
			out = new FileOutputStream(toImagePath);
			JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
			encoder.encode(tag);
		} catch (Exception e) {
			debug(clazz, e);
		} finally {
			closeStream(out);
		}
	}

	/**
	 * 横向拼接图片（两张）
	 * 
	 * @param firstSrcImagePath
	 *            第一张图片的路径
	 * @param secondSrcImagePath
	 *            第二张图片的路径
	 * @param imageFormat
	 *            拼接生成图片的格式
	 * @param toPath
	 *            拼接生成图片的路径
	 */
	public static void joinImagesHorizontal(String firstSrcImagePath, String secondSrcImagePath, String imageFormat, String toPath) {
		try {
			// 读取第一张图片
			File fileOne = new File(firstSrcImagePath);
			BufferedImage imageOne = ImageIO.read(fileOne);
			int width = imageOne.getWidth();// 图片宽度
			int height = imageOne.getHeight();// 图片高度
			// 从图片中读取RGB
			int[] imageArrayOne = new int[width * height];
			imageArrayOne = imageOne.getRGB(0, 0, width, height, imageArrayOne, 0, width);

			// 对第二张图片做相同的处理
			File fileTwo = new File(secondSrcImagePath);
			BufferedImage imageTwo = ImageIO.read(fileTwo);
			int width2 = imageTwo.getWidth();
			int height2 = imageTwo.getHeight();
			int[] ImageArrayTwo = new int[width2 * height2];
			ImageArrayTwo = imageTwo.getRGB(0, 0, width, height, ImageArrayTwo, 0, width);
			// ImageArrayTwo =
			// imageTwo.getRGB(0,0,width2,height2,ImageArrayTwo,0,width2);

			// 生成新图片
			// int height3 = (height>height2 || height==height2)?height:height2;
			BufferedImage imageNew = new BufferedImage(width * 2, height, BufferedImage.TYPE_INT_RGB);
			// BufferedImage imageNew = new
			// BufferedImage(width+width2,height3,BufferedImage.TYPE_INT_RGB);
			imageNew.setRGB(0, 0, width, height, imageArrayOne, 0, width);// 设置左半部分的RGB
			imageNew.setRGB(width, 0, width, height, ImageArrayTwo, 0, width);// 设置右半部分的RGB
			// imageNew.setRGB(width,0,width2,height2,ImageArrayTwo,0,width2);//设置右半部分的RGB

			File outFile = new File(toPath);
			ImageIO.write(imageNew, imageFormat, outFile);// 写图片
		} catch (Exception e) {
			debug(clazz, e);
		}
	}

	/**
	 * 横向拼接一组（多张）图像
	 * 
	 * @param pics
	 *            将要拼接的图像
	 * @param type
	 *            图像写入格式
	 * @param dst_pic
	 *            图像写入路径
	 * @return boolean 返回boolean。成功返回true，错误返回false
	 */
	public static boolean joinImageListHorizontal(String[] pics, String type, String dst_pic) {
		try {
			int len = pics.length;
			if (len < 1) {
				System.out.println("pics len < 1");
				return false;
			}
			File[] src = new File[len];
			BufferedImage[] images = new BufferedImage[len];
			int[][] imageArrays = new int[len][];
			for (int i = 0; i < len; i++) {
				src[i] = new File(pics[i]);
				images[i] = ImageIO.read(src[i]);
				int width = images[i].getWidth();
				int height = images[i].getHeight();
				imageArrays[i] = new int[width * height];// 从图片中读取RGB
				imageArrays[i] = images[i].getRGB(0, 0, width, height, imageArrays[i], 0, width);
			}

			int dst_width = 0;
			int dst_height = images[0].getHeight();
			for (int i = 0; i < images.length; i++) {
				dst_height = dst_height > images[i].getHeight() ? dst_height : images[i].getHeight();
				dst_width += images[i].getWidth();
			}
			// System.out.println(dst_width);
			// System.out.println(dst_height);
			if (dst_height < 1) {
				System.out.println("dst_height < 1");
				return false;
			}
			/*
			 * 生成新图片
			 */
			BufferedImage ImageNew = new BufferedImage(dst_width, dst_height, BufferedImage.TYPE_INT_RGB);
			int width_i = 0;
			for (int i = 0; i < images.length; i++) {
				ImageNew.setRGB(width_i, 0, images[i].getWidth(), dst_height, imageArrays[i], 0, images[i].getWidth());
				width_i += images[i].getWidth();
			}
			File outFile = new File(dst_pic);
			ImageIO.write(ImageNew, type, outFile);// 写图片
		} catch (Exception e) {
			debug(clazz, e);
			return false;
		}
		return true;
	}

	/**
	 * 纵向拼接图片（两张）
	 * 
	 * @param firstSrcImagePath
	 *            读取的第一张图片
	 * @param secondSrcImagePath
	 *            读取的第二张图片
	 * @param imageFormat
	 *            图片写入格式
	 * @param toPath
	 *            图片写入路径
	 */
	public static void joinImagesVertical(String firstSrcImagePath, String secondSrcImagePath, String imageFormat, String toPath) {
		try {
			// 读取第一张图片
			File fileOne = new File(firstSrcImagePath);
			BufferedImage imageOne = ImageIO.read(fileOne);
			int width = imageOne.getWidth();// 图片宽度
			int height = imageOne.getHeight();// 图片高度
			// 从图片中读取RGB
			int[] imageArrayOne = new int[width * height];
			imageArrayOne = imageOne.getRGB(0, 0, width, height, imageArrayOne, 0, width);

			// 对第二张图片做相同的处理
			File fileTwo = new File(secondSrcImagePath);
			BufferedImage imageTwo = ImageIO.read(fileTwo);
			int width2 = imageTwo.getWidth();
			int height2 = imageTwo.getHeight();
			int[] ImageArrayTwo = new int[width2 * height2];
			ImageArrayTwo = imageTwo.getRGB(0, 0, width, height, ImageArrayTwo, 0, width);
			// ImageArrayTwo =
			// imageTwo.getRGB(0,0,width2,height2,ImageArrayTwo,0,width2);

			// 生成新图片
			// int width3 = (width>width2 || width==width2)?width:width2;
			BufferedImage imageNew = new BufferedImage(width, height * 2, BufferedImage.TYPE_INT_RGB);
			// BufferedImage imageNew = new
			// BufferedImage(width3,height+height2,BufferedImage.TYPE_INT_RGB);
			imageNew.setRGB(0, 0, width, height, imageArrayOne, 0, width);// 设置上半部分的RGB
			imageNew.setRGB(0, height, width, height, ImageArrayTwo, 0, width);// 设置下半部分的RGB
			// imageNew.setRGB(0,height,width2,height2,ImageArrayTwo,0,width2);//设置下半部分的RGB

			File outFile = new File(toPath);
			ImageIO.write(imageNew, imageFormat, outFile);// 写图片
		} catch (Exception e) {
			debug(clazz, e);
		}
	}

	/**
	 * 纵向拼接一组（多张）图像
	 * 
	 * @param pics
	 *            将要拼接的图像数组
	 * @param type
	 *            写入图像类型
	 * @param dst_pic
	 *            写入图像路径
	 * @return boolean 返回boolean。成功返回true，错误返回false
	 */
	public static boolean joinImageListVertical(String[] pics, String type, String dst_pic) {
		try {
			int len = pics.length;
			if (len < 1) {
				System.out.println("pics len < 1");
				return false;
			}
			File[] src = new File[len];
			BufferedImage[] images = new BufferedImage[len];
			int[][] imageArrays = new int[len][];
			for (int i = 0; i < len; i++) {
				// System.out.println(i);
				src[i] = new File(pics[i]);
				images[i] = ImageIO.read(src[i]);
				int width = images[i].getWidth();
				int height = images[i].getHeight();
				imageArrays[i] = new int[width * height];// 从图片中读取RGB
				imageArrays[i] = images[i].getRGB(0, 0, width, height, imageArrays[i], 0, width);
			}

			int dst_height = 0;
			int dst_width = images[0].getWidth();
			for (int i = 0; i < images.length; i++) {
				dst_width = dst_width > images[i].getWidth() ? dst_width : images[i].getWidth();
				dst_height += images[i].getHeight();
			}
			// System.out.println(dst_width);
			// System.out.println(dst_height);
			if (dst_height < 1) {
				System.out.println("dst_height < 1");
				return false;
			}
			/*
			 * 生成新图片
			 */
			BufferedImage ImageNew = new BufferedImage(dst_width, dst_height, BufferedImage.TYPE_INT_RGB);
			int height_i = 0;
			for (int i = 0; i < images.length; i++) {
				ImageNew.setRGB(0, height_i, dst_width, images[i].getHeight(), imageArrays[i], 0, dst_width);
				height_i += images[i].getHeight();
			}
			File outFile = new File(dst_pic);
			ImageIO.write(ImageNew, type, outFile);// 写图片
		} catch (Exception e) {
			debug(clazz, e);
			return false;
		}
		return true;
	}

	/**
	 * 合并图片(按指定初始x、y坐标将附加图片贴到底图之上)
	 * 
	 * @param negativeImagePath
	 *            背景图片路径
	 * @param additionImagePath
	 *            附加图片路径
	 * @param x
	 *            附加图片的起始点x坐标
	 * @param y
	 *            附加图片的起始点y坐标
	 * @param toPath
	 *            图片写入路径 @
	 */
	public static void mergeBothImage(String negativeImagePath, String additionImagePath, int x, int y, String toPath) {
		InputStream is = null;
		InputStream is2 = null;
		OutputStream os = null;
		try {
			is = new FileInputStream(negativeImagePath);
			is2 = new FileInputStream(additionImagePath);
			BufferedImage image = ImageIO.read(is);
			BufferedImage image2 = ImageIO.read(is2);
			Graphics g = image.getGraphics();
			g.drawImage(image2, x, y, null);
			os = new FileOutputStream(toPath);
			JPEGImageEncoder enc = JPEGCodec.createJPEGEncoder(os);
			enc.encode(image);
		} catch (Exception e) {
			debug(clazz, e);
		} finally {
			closeStream(os, is2, is);
		}
	}

	/**
	 * 将一组图片一次性附加合并到底图上
	 * 
	 * @param negativeImagePath
	 *            源图像（底图）路径
	 * @param additionImageList
	 *            附加图像信息列表
	 * @param imageFormat
	 *            图像写入格式
	 * @param toPath
	 *            图像写入路径 @
	 */
	public static void mergeImageList(String negativeImagePath, List additionImageList, String imageFormat, String toPath) {
		InputStream is = null;
		InputStream is2 = null;
		OutputStream os = null;
		try {
			is = new FileInputStream(negativeImagePath);
			BufferedImage image = ImageIO.read(is);
			// Graphics g=image.getGraphics();
			Graphics2D g = image.createGraphics();
			;
			BufferedImage image2 = null;
			if (additionImageList != null) {
				for (int i = 0; i < additionImageList.size(); i++) {
					// 解析附加图片信息：x坐标、 y坐标、 additionImagePath附加图片路径
					// 图片信息存储在一个数组中
					String[] additionImageInfo = (String[]) additionImageList.get(i);
					int x = Integer.parseInt(additionImageInfo[0]);
					int y = Integer.parseInt(additionImageInfo[1]);
					String additionImagePath = additionImageInfo[2];
					// 读取文件输入流，并合并图片
					is2 = new FileInputStream(additionImagePath);
					// System.out.println(x+"  :  "+y+"  :  "+additionImagePath);
					image2 = ImageIO.read(is2);
					g.drawImage(image2, x, y, null);
				}
			}
			os = new FileOutputStream(toPath);
			ImageIO.write(image, imageFormat, os);// 写图片
			// JPEGImageEncoder enc=JPEGCodec.createJPEGEncoder(os);
			// enc.encode(image);
		} catch (Exception e) {
			debug(clazz, e);
		} finally {
			closeStream(os, is2, is);
		}
	}

	/**
	 * 将附加图片合并到底图的左上角
	 * 
	 * @param negativeImagePath
	 *            底图路径
	 * @param additionImagePath
	 *            附加图片路径
	 * @param toPath
	 *            合成图片写入路径 @
	 */
	public static void mergeBothImageTopleftcorner(String negativeImagePath, String additionImagePath, String toPath) {
		InputStream is = null;
		InputStream is2 = null;
		OutputStream os = null;
		try {
			is = new FileInputStream(negativeImagePath);
			is2 = new FileInputStream(additionImagePath);
			BufferedImage image = ImageIO.read(is);
			BufferedImage image2 = ImageIO.read(is2);
			Graphics g = image.getGraphics();
			g.drawImage(image2, 0, 0, null);
			os = new FileOutputStream(toPath);
			JPEGImageEncoder enc = JPEGCodec.createJPEGEncoder(os);
			enc.encode(image);
		} catch (Exception e) {
			debug(clazz, e);
		} finally {
			closeStream(os, is2, is);
		}
	}

	/**
	 * 将附加图片合并到底图的右上角
	 * 
	 * @param negativeImagePath
	 *            底图路径
	 * @param additionImagePath
	 *            附加图片路径
	 * @param toPath
	 *            合成图片写入路径 @
	 */
	public static void mergeBothImageToprightcorner(String negativeImagePath, String additionImagePath, String toPath) {
		InputStream is = null;
		InputStream is2 = null;
		OutputStream os = null;
		try {
			is = new FileInputStream(negativeImagePath);
			is2 = new FileInputStream(additionImagePath);
			BufferedImage image = ImageIO.read(is);
			BufferedImage image2 = ImageIO.read(is2);
			Graphics g = image.getGraphics();
			g.drawImage(image2, image.getWidth() - image2.getWidth(), 0, null);
			os = new FileOutputStream(toPath);
			JPEGImageEncoder enc = JPEGCodec.createJPEGEncoder(os);
			enc.encode(image);
		} catch (Exception e) {
			debug(clazz, e);
		} finally {
			closeStream(os, is2, is);
		}
	}

	/**
	 * 将附加图片合并到底图的左下角
	 * 
	 * @param negativeImagePath
	 *            底图路径
	 * @param additionImagePath
	 *            附加图片路径
	 * @param toPath
	 *            合成图片写入路径 @
	 */
	public static void mergeBothImageLeftbottom(String negativeImagePath, String additionImagePath, String toPath) {
		InputStream is = null;
		InputStream is2 = null;
		OutputStream os = null;
		try {
			is = new FileInputStream(negativeImagePath);
			is2 = new FileInputStream(additionImagePath);
			BufferedImage image = ImageIO.read(is);
			BufferedImage image2 = ImageIO.read(is2);
			Graphics g = image.getGraphics();
			g.drawImage(image2, 0, image.getHeight() - image2.getHeight(), null);
			os = new FileOutputStream(toPath);
			JPEGImageEncoder enc = JPEGCodec.createJPEGEncoder(os);
			enc.encode(image);
		} catch (Exception e) {
			debug(clazz, e);
		} finally {
			closeStream(os, is2, is);
		}
	}

	/**
	 * 将附加图片合并到底图的左下角
	 * 
	 * @param negativeImagePath
	 *            底图路径
	 * @param additionImagePath
	 *            附加图片路径
	 * @param toPath
	 *            合成图片写入路径 @
	 */
	public static void mergeBothImageRightbottom(String negativeImagePath, String additionImagePath, String toPath) {
		InputStream is = null;
		InputStream is2 = null;
		OutputStream os = null;
		try {
			is = new FileInputStream(negativeImagePath);
			is2 = new FileInputStream(additionImagePath);
			BufferedImage image = ImageIO.read(is);
			BufferedImage image2 = ImageIO.read(is2);
			Graphics g = image.getGraphics();
			g.drawImage(image2, image.getWidth() - image2.getWidth(), image.getHeight() - image2.getHeight(), null);
			os = new FileOutputStream(toPath);
			JPEGImageEncoder enc = JPEGCodec.createJPEGEncoder(os);
			enc.encode(image);
		} catch (Exception e) {
			debug(clazz, e);
		} finally {
			closeStream(os, is2, is);
		}
	}

	/**
	 * 将附加图片合并到底图的正中央
	 * 
	 * @param negativeImagePath
	 *            底图路径
	 * @param additionImagePath
	 *            附加图片路径
	 * @param toPath
	 *            合成图片写入路径 @
	 */
	public static void mergeBothImageCenter(String negativeImagePath, String additionImagePath, String toPath) {
		InputStream is = null;
		InputStream is2 = null;
		OutputStream os = null;
		try {
			is = new FileInputStream(negativeImagePath);
			is2 = new FileInputStream(additionImagePath);
			BufferedImage image = ImageIO.read(is);
			BufferedImage image2 = ImageIO.read(is2);
			Graphics g = image.getGraphics();
			g.drawImage(image2, image.getWidth() / 2 - image2.getWidth() / 2, image.getHeight() / 2 - image2.getHeight() / 2, null);
			os = new FileOutputStream(toPath);
			JPEGImageEncoder enc = JPEGCodec.createJPEGEncoder(os);
			enc.encode(image);
		} catch (Exception e) {
			debug(clazz, e);
		} finally {
			closeStream(os, is2, is);
		}
	}

	/**
	 * 将附加图片合并到底图的上边中央
	 * 
	 * @param negativeImagePath
	 *            底图路径
	 * @param additionImagePath
	 *            附加图片路径
	 * @param toPath
	 *            合成图片写入路径 @
	 */
	public static void mergeBothImageTopcenter(String negativeImagePath, String additionImagePath, String toPath) {
		InputStream is = null;
		InputStream is2 = null;
		OutputStream os = null;
		try {
			is = new FileInputStream(negativeImagePath);
			is2 = new FileInputStream(additionImagePath);
			BufferedImage image = ImageIO.read(is);
			BufferedImage image2 = ImageIO.read(is2);
			Graphics g = image.getGraphics();
			g.drawImage(image2, image.getWidth() / 2 - image2.getWidth() / 2, 0, null);
			os = new FileOutputStream(toPath);
			JPEGImageEncoder enc = JPEGCodec.createJPEGEncoder(os);
			enc.encode(image);
		} catch (Exception e) {
			debug(clazz, e);
		} finally {
			closeStream(os, is2, is);
		}
	}

	/**
	 * 将附加图片合并到底图的下边中央
	 * 
	 * @param negativeImagePath
	 *            底图路径
	 * @param additionImagePath
	 *            附加图片路径
	 * @param toPath
	 *            合成图片写入路径 @
	 */
	public static void mergeBothImageBottomcenter(String negativeImagePath, String additionImagePath, String toPath) {
		InputStream is = null;
		InputStream is2 = null;
		OutputStream os = null;
		try {
			is = new FileInputStream(negativeImagePath);
			is2 = new FileInputStream(additionImagePath);
			BufferedImage image = ImageIO.read(is);
			BufferedImage image2 = ImageIO.read(is2);
			Graphics g = image.getGraphics();
			g.drawImage(image2, image.getWidth() / 2 - image2.getWidth() / 2, image.getHeight() - image2.getHeight(), null);
			os = new FileOutputStream(toPath);
			JPEGImageEncoder enc = JPEGCodec.createJPEGEncoder(os);
			enc.encode(image);
		} catch (Exception e) {
			debug(clazz, e);
		} finally {
			closeStream(os, is2, is);
		}
	}

	/**
	 * 将附加图片合并到底图的左边中央
	 * 
	 * @param negativeImagePath
	 *            底图路径
	 * @param additionImagePath
	 *            附加图片路径
	 * @param toPath
	 *            合成图片写入路径 @
	 */
	public static void mergeBothImageLeftcenter(String negativeImagePath, String additionImagePath, String toPath) {
		InputStream is = null;
		InputStream is2 = null;
		OutputStream os = null;
		try {
			is = new FileInputStream(negativeImagePath);
			is2 = new FileInputStream(additionImagePath);
			BufferedImage image = ImageIO.read(is);
			BufferedImage image2 = ImageIO.read(is2);
			Graphics g = image.getGraphics();
			g.drawImage(image2, 0, image.getHeight() / 2 - image2.getHeight() / 2, null);
			os = new FileOutputStream(toPath);
			JPEGImageEncoder enc = JPEGCodec.createJPEGEncoder(os);
			enc.encode(image);
		} catch (Exception e) {
			debug(clazz, e);
		} finally {
			closeStream(os, is2, is);
		}
	}

	/**
	 * 将附加图片合并到底图的右边中央
	 * 
	 * @param negativeImagePath
	 *            底图路径
	 * @param additionImagePath
	 *            附加图片路径
	 * @param toPath
	 *            合成图片写入路径 @
	 */
	public static void mergeBothImageRightcenter(String negativeImagePath, String additionImagePath, String toPath) {
		InputStream is = null;
		InputStream is2 = null;
		OutputStream os = null;
		try {
			is = new FileInputStream(negativeImagePath);
			is2 = new FileInputStream(additionImagePath);
			BufferedImage image = ImageIO.read(is);
			BufferedImage image2 = ImageIO.read(is2);
			Graphics g = image.getGraphics();
			g.drawImage(image2, image.getWidth() - image2.getWidth(), image.getHeight() / 2 - image2.getHeight() / 2, null);
			os = new FileOutputStream(toPath);
			JPEGImageEncoder enc = JPEGCodec.createJPEGEncoder(os);
			enc.encode(image);
		} catch (Exception e) {
			debug(clazz, e);
		} finally {
			closeStream(os, is2, is);
		}
	}

	/**
	 * 图片灰化操作
	 * 
	 * @param srcImage
	 *            读取图片路径
	 * @param toPath
	 *            写入灰化后的图片路径
	 * @param imageFormat
	 *            图片写入格式
	 */
	public static void grayImage(String srcImage, String toPath, String imageFormat) {
		try {
			BufferedImage src = ImageIO.read(new File(srcImage));
			ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_GRAY);
			ColorConvertOp op = new ColorConvertOp(cs, null);
			src = op.filter(src, null);
			ImageIO.write(src, imageFormat, new File(toPath));
		} catch (Exception e) {
			debug(clazz, e);
		}
	}

	/**
	 * 在源图片上设置水印文字
	 * 
	 * @param srcImagePath
	 *            源图片路径
	 * @param alpha
	 *            透明度（0<alpha<1）
	 * @param font
	 *            字体（例如：宋体）
	 * @param fontStyle
	 *            字体格式(例如：普通样式--Font.PLAIN、粗体--Font.BOLD )
	 * @param fontSize
	 *            字体大小
	 * @param color
	 *            字体颜色(例如：黑色--Color.BLACK)
	 * @param inputWords
	 *            输入显示在图片上的文字
	 * @param x
	 *            文字显示起始的x坐标
	 * @param y
	 *            文字显示起始的y坐标
	 * @param imageFormat
	 *            写入图片格式（png/jpg等）
	 * @param toPath
	 *            写入图片路径 @
	 */
	public static void alphaWords2Image(String srcImagePath, float alpha, String font, int fontStyle, int fontSize, Color color, String inputWords, int x, int y, String imageFormat, String toPath) {
		FileOutputStream fos = null;
		try {
			BufferedImage image = ImageIO.read(new File(srcImagePath));
			// 创建java2D对象
			Graphics2D g2d = image.createGraphics();
			// 用源图像填充背景
			g2d.drawImage(image, 0, 0, image.getWidth(), image.getHeight(), null, null);
			// 设置透明度
			AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha);
			g2d.setComposite(ac);
			// 设置文字字体名称、样式、大小
			g2d.setFont(new Font(font, fontStyle, fontSize));
			g2d.setColor(color);// 设置字体颜色
			g2d.drawString(inputWords, x, y); // 输入水印文字及其起始x、y坐标
			g2d.dispose();
			fos = new FileOutputStream(toPath);
			ImageIO.write(image, imageFormat, fos);
		} catch (Exception e) {
			debug(clazz, e);
		} finally {
			closeStream(fos);
		}
	}

	/**
	 * 在源图像上设置图片水印 ---- 当alpha==1时文字不透明（和在图片上直接输入文字效果一样）
	 * 
	 * @param srcImagePath
	 *            源图片路径
	 * @param appendImagePath
	 *            水印图片路径
	 * @param alpha
	 *            透明度
	 * @param x
	 *            水印图片的起始x坐标
	 * @param y
	 *            水印图片的起始y坐标
	 * @param width
	 *            水印图片的宽度
	 * @param height
	 *            水印图片的高度
	 * @param imageFormat
	 *            图像写入图片格式
	 * @param toPath
	 *            图像写入路径 @
	 */
	public static void alphaImage2Image(String srcImagePath, String appendImagePath, float alpha, int x, int y, int width, int height, String imageFormat, String toPath) {
		FileOutputStream fos = null;
		try {
			BufferedImage image = ImageIO.read(new File(srcImagePath));
			// 创建java2D对象
			Graphics2D g2d = image.createGraphics();
			// 用源图像填充背景
			g2d.drawImage(image, 0, 0, image.getWidth(), image.getHeight(), null, null);
			// 设置透明度
			AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha);
			g2d.setComposite(ac);
			// 设置水印图片的起始x/y坐标、宽度、高度
			BufferedImage appendImage = ImageIO.read(new File(appendImagePath));
			g2d.drawImage(appendImage, x, y, width, height, null, null);
			g2d.dispose();
			fos = new FileOutputStream(toPath);
			ImageIO.write(image, imageFormat, fos);
		} catch (Exception e) {
			debug(clazz, e);
		} finally {
			closeStream(fos);
		}
	}

	/**
	 * 画单点 ---- 实际上是画一个填充颜色的圆 ---- 以指定点坐标为中心画一个小半径的圆形，并填充其颜色来充当点
	 * 
	 * @param srcImagePath
	 *            源图片颜色
	 * @param x
	 *            点的x坐标
	 * @param y
	 *            点的y坐标
	 * @param width
	 *            填充的宽度
	 * @param height
	 *            填充的高度
	 * @param ovalColor
	 *            填充颜色
	 * @param imageFormat
	 *            写入图片格式
	 * @param toPath
	 *            写入路径 @
	 */
	public static void drawPoint(String srcImagePath, int x, int y, int width, int height, Color ovalColor, String imageFormat, String toPath) {
		FileOutputStream fos = null;
		try {
			// 获取源图片
			BufferedImage image = ImageIO.read(new File(srcImagePath));
			// 根据xy点坐标绘制连接线
			Graphics2D g2d = image.createGraphics();
			g2d.setColor(ovalColor);
			// 填充一个椭圆形
			g2d.fillOval(x, y, width, height);
			fos = new FileOutputStream(toPath);
			ImageIO.write(image, imageFormat, fos);
		} catch (IOException e) {
			debug(clazz, e);
		} finally {
			closeStream(fos);
		}
	}

	/**
	 * 画一组（多个）点---- 实际上是画一组（多个）填充颜色的圆 ---- 以指定点坐标为中心画一个小半径的圆形，并填充其颜色来充当点
	 * 
	 * @param srcImagePath
	 *            原图片路径
	 * @param pointList
	 *            点列表
	 * @param width
	 *            宽度
	 * @param height
	 *            高度
	 * @param ovalColor
	 *            填充颜色
	 * @param imageFormat
	 *            写入图片颜色
	 * @param toPath
	 *            写入路径 @
	 */
	public static void drawPoints(String srcImagePath, List pointList, int width, int height, Color ovalColor, String imageFormat, String toPath) {
		FileOutputStream fos = null;
		try {
			// 获取源图片
			BufferedImage image = ImageIO.read(new File(srcImagePath));
			// 根据xy点坐标绘制连接线
			Graphics2D g2d = image.createGraphics();
			g2d.setColor(ovalColor);
			// 填充一个椭圆形
			if (pointList != null) {
				for (int i = 0; i < pointList.size(); i++) {
					Point point = (Point) pointList.get(i);
					int x = (int) point.getX();
					int y = (int) point.getY();
					g2d.fillOval(x, y, width, height);
				}
			}
			fos = new FileOutputStream(toPath);
			ImageIO.write(image, imageFormat, fos);
		} catch (IOException e) {
			debug(clazz, e);
		} finally {
			closeStream(fos);
		}
	}

	/**
	 * 画线段
	 * 
	 * @param srcImagePath
	 *            源图片路径
	 * @param x1
	 *            第一个点x坐标
	 * @param y1
	 *            第一个点y坐标
	 * @param x2
	 *            第二个点x坐标
	 * @param y2
	 *            第二个点y坐标
	 * @param lineColor
	 *            线条颜色
	 * @param toPath
	 *            图像写入路径
	 * @param imageFormat
	 *            图像写入格式 @
	 */
	public static void drawLine(String srcImagePath, int x1, int y1, int x2, int y2, Color lineColor, String toPath, String imageFormat) {
		FileOutputStream fos = null;
		try {
			// 获取源图片
			BufferedImage image = ImageIO.read(new File(srcImagePath));
			// 根据xy点坐标绘制连接线
			Graphics2D g2d = image.createGraphics();
			g2d.setColor(lineColor);
			g2d.drawLine(x1, y1, x2, y2);
			fos = new FileOutputStream(toPath);
			ImageIO.write(image, imageFormat, fos);
		} catch (IOException e) {
			debug(clazz, e);
		} finally {
			closeStream(fos);
		}
	}

	/**
	 * 画折线 / 线段 ---- 2个点即画线段，多个点画折线
	 * 
	 * @param srcImagePath
	 *            源图片路径
	 * @param xPoints
	 *            x坐标数组
	 * @param yPoints
	 *            y坐标数组
	 * @param nPoints
	 *            点的数量
	 * @param lineColor
	 *            线条颜色
	 * @param toPath
	 *            图像写入路径
	 * @param imageFormat
	 *            图片写入格式 @
	 */
	public static void drawPolyline(String srcImagePath, int[] xPoints, int[] yPoints, int nPoints, Color lineColor, String toPath, String imageFormat) {
		FileOutputStream fos = null;
		try {
			// 获取源图片
			BufferedImage image = ImageIO.read(new File(srcImagePath));
			// 根据xy点坐标绘制连接线
			Graphics2D g2d = image.createGraphics();
			// 设置线条颜色
			g2d.setColor(lineColor);
			g2d.drawPolyline(xPoints, yPoints, nPoints);
			// 图像写出路径
			fos = new FileOutputStream(toPath);
			ImageIO.write(image, imageFormat, fos);
		} catch (IOException e) {
			debug(clazz, e);
		} finally {
			closeStream(fos);
		}
	}

	/**
	 * 绘制折线，并突出显示转折点
	 * 
	 * @param srcImagePath
	 *            源图片路径
	 * @param xPoints
	 *            x坐标数组
	 * @param yPoints
	 *            y坐标数组
	 * @param nPoints
	 *            点的数量
	 * @param lineColor
	 *            连线颜色
	 * @param width
	 *            点的宽度
	 * @param height
	 *            点的高度
	 * @param ovalColor
	 *            点的填充颜色
	 * @param toPath
	 *            图像写入路径
	 * @param imageFormat
	 *            图像写入格式 @
	 */
	public static void drawPolylineShowPoints(String srcImagePath, int[] xPoints, int[] yPoints, int nPoints, Color lineColor, int width, int height, Color ovalColor, String toPath, String imageFormat) {
		FileOutputStream fos = null;
		try {
			// 获取源图片
			BufferedImage image = ImageIO.read(new File(srcImagePath));
			// 根据xy点坐标绘制连接线
			Graphics2D g2d = image.createGraphics();
			// 设置线条颜色
			g2d.setColor(lineColor);
			// 画线条
			g2d.drawPolyline(xPoints, yPoints, nPoints);
			// 设置圆点颜色
			g2d.setColor(ovalColor);
			// 画圆点
			if (xPoints != null) {
				for (int i = 0; i < xPoints.length; i++) {
					int x = xPoints[i];
					int y = yPoints[i];
					g2d.fillOval(x, y, width, height);
				}
			}
			// 图像写出路径
			fos = new FileOutputStream(toPath);
			ImageIO.write(image, imageFormat, fos);
		} catch (IOException e) {
			debug(clazz, e);
		} finally {
			closeStream(fos);
		}
	}

	/**
	 * 绘制一个由 x 和 y 坐标数组定义的闭合多边形
	 * 
	 * @param srcImagePath
	 *            源图片路径
	 * @param xPoints
	 *            x坐标数组
	 * @param yPoints
	 *            y坐标数组
	 * @param nPoints
	 *            坐标点的个数
	 * @param polygonColor
	 *            线条颜色
	 * @param imageFormat
	 *            图像写入格式
	 * @param toPath
	 *            图像写入路径 @
	 */
	public static void drawPolygon(String srcImagePath, int[] xPoints, int[] yPoints, int nPoints, Color polygonColor, String imageFormat, String toPath) {
		FileOutputStream fos = null;
		try {
			// 获取图片
			BufferedImage image = ImageIO.read(new File(srcImagePath));
			// 根据xy点坐标绘制闭合多边形
			Graphics2D g2d = image.createGraphics();
			g2d.setColor(polygonColor);
			g2d.drawPolygon(xPoints, yPoints, nPoints);
			fos = new FileOutputStream(toPath);
			ImageIO.write(image, imageFormat, fos);
			g2d.dispose();
		} catch (Exception e) {
			debug(clazz, e);
		} finally {
			closeStream(fos);
		}
	}

	/**
	 * 绘制并填充多边形
	 * 
	 * @param srcImagePath
	 *            源图像路径
	 * @param xPoints
	 *            x坐标数组
	 * @param yPoints
	 *            y坐标数组
	 * @param nPoints
	 *            坐标点个数
	 * @param polygonColor
	 *            多边形填充颜色
	 * @param alpha
	 *            多边形部分透明度
	 * @param imageFormat
	 *            写入图形格式
	 * @param toPath
	 *            写入图形路径 @
	 */
	public static void drawAndAlphaPolygon(String srcImagePath, int[] xPoints, int[] yPoints, int nPoints, Color polygonColor, float alpha, String imageFormat, String toPath) {
		FileOutputStream fos = null;
		try {
			// 获取图片
			BufferedImage image = ImageIO.read(new File(srcImagePath));
			// 根据xy点坐标绘制闭合多边形
			Graphics2D g2d = image.createGraphics();
			g2d.setColor(polygonColor);
			// 设置透明度
			AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha);
			g2d.setComposite(ac);
			g2d.fillPolygon(xPoints, yPoints, nPoints);
			fos = new FileOutputStream(toPath);
			ImageIO.write(image, imageFormat, fos);
			g2d.dispose();
		} catch (Exception e) {
			debug(clazz, e);
		} finally {
			closeStream(fos);
		}
	}
}
